1. A company wants to know if minorities are more likely to be in certain job categories than others. Their data base codes employees 1 for clerical, 2 for custodial, and 3 for manager.
A logistic equation was fit to the data with SPSS, and the following output obtained.
A 95% confidence interval for the slope is
A. -0.532 ± 0.498.
B. 0.559 ± 0.477.
C. -0.559 ± 0.477.
2. Who is more likely to smoke - males or females? Data from 92 subjects were obtained. Females were coded as 0 and males as 1. Minitab output is below.
Based on this information, who is more likely to smoke?
A. Males
B. Females
C. They're equally likely.
3. Who is more likely to smoke - males or females? Data from 92 subjects were obtained. Females were coded as 0 and males as 1. Minitab output is below.
What does the odds ratio mean here?
A. Females are 82% more likely to smoke than males.
B. Males are 82% more likely to smoke than females.
C. Males are 6.17 times more likely to smoke than females.